Found these two mosses growing in a ditch yesterday on a walk in northeastern pa. Anybody got a name for them?

IOW, will a clear glass tank cover between the light source and the water surface make that light any less effective relative to our plant's needs? Thanks!

In an effort to remove the perlite and other floating components of my soil, I rinsed it over the course of about a week, stirring it everyday. I noticed the soil began to smell badly during this process, so I poured out the water, stirred it a bit more, and put the muddy funky soil into the...

I've seen a few different methods of sifting (or not) MGOC in preparation of adding it to the tank. I decided to go with the "soak the soil in water overnight, and then remove all the floaters." Well, I soaked it overnight and came back and I would said a solid 80% of the soil is still...

After planting and flooding a walstad, are frequent water changes required? Or can you just let everything run it's course until it settles out in its own time? If they are required, what's the situation that would call for a water change while it's establishing? I've heard excessive ammonia...